sophistication vs expertise

sophistication and expertise both are nouns.

Word	Noun	Adjective	Verb	Adverb
sophistication	Yes	No	No	No
expertise	Yes	No	No	No

As nouns, expertise is a hypernym of sophistication; that is, expertise is a word with a broader meaning than sophistication:

Other hypernyms of sophistication include expertness.

sophistication (noun)	expertise (noun)
falsification by the use of sophistry; misleading by means of specious fallacies	skillfulness by virtue of possessing special knowledge
the quality or character of being intellectually sophisticated and worldly through cultivation or experience or disillusionment
uplifting enlightenment
being expert or having knowledge of some technical subject
a deliberately invalid argument displaying ingenuity in reasoning in the hope of deceiving someone